Which best describes the energy of a sound wave as it travels through a medium? It increases.
lt decreases.
It remains the sam.
It depends on the medium,

When an object is heated it contracts. a. true b. false

Astudent creates a model of a closed ecosystem by filling a glass tank half full with water, then adding 10 snails and two small aquatic plants. the next day, all the snails are dead. what is the most likely cause of their death?

Amira pulls a 3 pound wagon 4 feet. how much work has she done?